Deserialization in Creativethemeshq Blocksy
CVE-2026-8365
The Blocksy theme for WordPress is vulnerable to PHP Object Injection leading to Remote Code Execution via the 'blocksy_meta' REST API field and the V200 database migration in versions up to and including 2.1.35. This is due to insufficien…
Vulnerability class: Insecure Deserialization
EPSS: 0.012 (64.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Creativethemeshq Blocksy — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-8365?
- CVE-2026-8365 is a high-severity vulnerability in Creativethemeshq Blocksy, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-06-09.
- How severe is CVE-2026-8365?
- High severity. CVSS v3 base score is 8.8 out of 10.